override accessibility.swift

   //MARK:- Accessibility

    override var accessibilityLabel: String? {
        get {
            return activityTypeLabel.accessibilityLabel
        }
        set { }
    }

    override var accessibilityValue: String? {
        get {
            var params:[String] = []
            if !locationLabel.isHidden, let value = locationLabel.accessibilityLabel { params.append(value) }
            if let value = dateLabel?.accessibilityLabel { params.append(value) }
            if let value = timeLabel?.accessibilityLabel { params.append(value) }
            if let value = sourceLabel?.accessibilityLabel { params.append(value) }
            return params.joined(separator: ", ")
        }
        set { }
    }